### What?
`value` within the beforeValidate field hook was not correctly falling
back to the document value when no value was passed inside the request
for the field.
### Why?
The fallback logic was running after the beforeValidate field hooks are
called.
### How?
Run the fallback logic before running the beforeValidate field hooks.
Fixes https://github.com/payloadcms/payload/issues/10923
